varycolor allows many plots to be produced with different colors, however some of these colors are not seen when used during a presentation where the plots are projected. This uses the matlab 'lines' color set as its basis.
Steven Johnson (2020). varycolor - projector friendly (https://www.mathworks.com/matlabcentral/fileexchange/50005-varycolor-projector-friendly), MATLAB Central File Exchange. Retrieved .
Inspired by: varycolor